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Finding the Fourth Proportional to 52,603.70, 72,593 and 28,730.36

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Solution

The fourth proportional to 52,603.70, 72,593 and 28,730.36 is: 39,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,603.70 : 72,593 = 28,730.36 : x
  2. Step 2: Convert to fraction form
    52,603.70/72,593 = 28,730.36/x
  3. Step 3: Cross multiply
    52,603.70x = 72,593 × 28,730.36
  4. Step 4: Simplify right side
    52,603.70x = 2,085,623,023.48
  5. Step 5: Solve for x
    x = 2,085,623,023.48/52,603.70
  6. Step 6: Final answer
    x = 39,647.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.